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Kartendeck poker

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Edit given your comment: Bringing Opportunities to Developers in Spain. So it should payday 2 ultimate trainer named Hand comdirect phototan. Email Required, but never shown. This however club exklusiv makes them mutable, which is why an enum is a good approach. As for the structure: It is not possible to add a sunmaker casino to an enum at runtime. Sign up or log in Sign up using Google. Is it the wo mit paysafecard bezahlen of the hand or of the player to get cards from the deck? I would really appreciate anything that will help me better understand Java. Your use of fullDeck in the Deck class is bizarre: And you are welcome!

Overall your code is clean and easy to understand, so thank you for that. The first thing to note is that a List provides more options and flexibility than a raw array.

However, I think it would be best to store these values as an Enum:. This will allow you to use these values in a switch statement, and provides other benefits.

Most of all, it is more readable and more extensible. There is no disadvantage to using the extra characters to make the code more readable.

In the rest of your code you do not make this mistake, so that is good. I would advise that you think about inheritance as an "is a" relationship.

A hand is not a deck, and should not be treated like one. For example, it is unlikely that you will need to "shuffle" a hand.

To me, this is the same as having Hand or Deck inherit from a Card. It is not going to end up being helpful to the organization or understanding of the code.

A singular Card should be the class here. Then, the Hand and Deck can have a "has a" relationship with cards, and use Card objects.

The way you have this set up here:. Why would a Cards object have Decks or Hands as objects? It should definitely be the other way around. What kind of parameter should one pass in?

Even if that did work, it is risky to let others meddle with the innards of your class. Suppose that I subsequently did. Then the deck would also have one of its cards removed, unbeknownst to the code in your Deck class.

There is no reason why your deck needs to be told again what cards it should hold. Next, for proper object-oriented design, you should consider what kinds of operations should be supported by a Deck.

For example, you should be able to draw a card from the top of the pile, and return a card to the bottom of a pile. So, you would introduce methods like.

Rather than having showDeck print its output, I suggest implementing toString. Since you just use ArrayList and List from util , have them separate.

Do you really want this to only work for Poker? Sometimes, it helps to think about the real-life situation: Is it the responsibility of the hand or of the player to get cards from the deck?

Your Hand class is also quite static. It is hardcoded how many cards a hand can have, so you cannot for example play Omaha.

The way cards are added to a hand right now, you also cannot play a game where cards are added at different points in time for example Stud.

You could also create a CardCollection class containing logic for adding, getting, and showing cards , which the Hand class extends.

That way, you could also add a TableCards class, which also extends CardCollection. I would suggest to give Rank enum cardinality.

This can help you with calculating game situations. Is a Card object supposed to represent a kind of card e. For example, if you shuffled together two decks, and the top two cards of the shuffled-together deck are both "club queen", should those be represented by the same Card object, or should one card object represent "club queen which is at position 0 in a particular deck" and the other one "club queen which is at position 1 in that same deck"?

I would suggest that you define a concept of a "card container" [used for hands, decks, etc. Each container should have a means of identifying the cards which occupy it, and each card should have a means of identifying the one container which contains it.

Moving a card from one container to another should cause it to be removed from the former and added to the latter.

There are two things I want to point out that has been shown in other answers, but not pointed out why it should change like this.

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I also must arrange things so that the hand cannot contain the same card more than once. This is what I have so far:. You are just creating a random number and adding it to your hand.

I presume you want to get the Card that represents and add that to the hand instead. This can be done in one line if you need to:. Note the use of remove from the deck instead of get or you will run the risk of dealing the same card twice or more.

Edit given your comment: Yes, you need to change how this is called in main:. Ha, I figured it out. Check out your loop, it adds one to the hand size so the loop never terminates and the deck runs out of cards.

It might also be worth considering making the hand size an argument to makeHand and using that to pre-allocate the ArrayList and drive this loop instead of depending on the "magic number" 5.

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For example, if you shuffled together two decks, and the top two cards of the shuffled-together deck are both "club queen", should those be represented by the same Card object, or should one card object represent "club queen which is at position 0 in a particular deck" and the other one "club queen which is at position 1 in that same deck"?

I would suggest that you define a concept of a "card container" [used for hands, decks, etc. Each container should have a means of identifying the cards which occupy it, and each card should have a means of identifying the one container which contains it.

Moving a card from one container to another should cause it to be removed from the former and added to the latter. There are two things I want to point out that has been shown in other answers, but not pointed out why it should change like this.

This is not how you should give two cards to a player. With this code, there is a probability that the player will be given the same two cards.

That should not happen. Then I would be able to do: An array is mutable , so it is possible to change the values of it.

And as your variable is public , it is possible to access it from other classes. This is why those variables should absolutely be private.

And as they are meant to be used as constants, they should also be static. This however still makes them mutable, which is why an enum is a good approach.

It is not possible to add a member to an enum at runtime. By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies.

Make your voice heard. Take the Developer Survey now. Home Questions Tags Users Unanswered. I would really appreciate anything that will help me better understand Java.

Enums Storing these values in a string array is not very extensible: However, I think it would be best to store these values as an Enum: The way you have this set up here: I look forward to seeing a revised version of your code in another question!

Also, thank you for reply! And you are welcome! Your use of fullDeck in the Deck class is bizarre: Suppose that I subsequently did pokemon.

So call the field cards instead. Now I wont use this for only poker, and eventually add options for different card games.

Thanks for the idea! First of all naming: The class represents the hand of a single person, right? So it should be named Hand instead.

As for the structure: A more reusable and practical Hand class might look like this: Makes more sense if you ever, say, decided to iterate through the list of values, you would expect two to be the second value.

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Yes, you need to change how this is called in main:. Ha, I figured it out. Check out your loop, it adds one to the hand size so the loop never terminates and the deck runs out of cards.

It might also be worth considering making the hand size an argument to makeHand and using that to pre-allocate the ArrayList and drive this loop instead of depending on the "magic number" 5.

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Make your voice heard. Take the Developer Survey now. This is what I have so far: Michael Wendel Michael Wendel 63 1 4 This can be done in one line if you need to: Yes, you need to change how this is called in main: OK, added an edit for that.